Overview
The AD7856ARZ is a high-performance, 14-bit, 8-channel analog-to-digital converter (ADC) produced by Analog Devices Inc. This successive approximation register (SAR) ADC is designed for a wide range of data acquisition applications, offering high accuracy and reliability. The device operates with a sampling rate of up to 285 kilosamples per second and features a serial interface for easy integration into various systems.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Category | Integrated Circuits (ICs) - Data Acquisition - Analog to Digital Converters (ADC) |
| Package | 24-SOIC (0.295", 7.50mm Width) |
| Number of Bits | 14 |
| Sampling Rate (Per Second) | 285k |
| Number of Inputs | 4, 8 |
| Input Type | Pseudo-Differential, Single Ended |
| Data Interface | SPI |
| Configuration | MUX-S/H-ADC |
| Ratio - S/H:ADC | 1:1 |
| Number of A/D Converters | 1 |
| Architecture | SAR |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | 5V |
| Voltage - Supply, Digital | 5V |
Key Features
- High-resolution 14-bit conversion with a sampling rate of up to 285 kilosamples per second.
- Eight analog input channels with pseudo-differential and single-ended input options.
- Serial Peripheral Interface (SPI) for data communication.
- Successive Approximation Register (SAR) architecture for high accuracy and low power consumption.
- External and internal reference options for flexibility in system design.
- Operates on a single 5V supply for both analog and digital sections.
Applications
The AD7856ARZ is suitable for a variety of data acquisition and measurement applications, including:
- Industrial control systems.
- Medical devices and diagnostic equipment.
- Aerospace and defense systems.
- Automotive systems and sensors.
- Test and measurement instruments.
Q & A
- What is the resolution of the AD7856ARZ ADC?
The AD7856ARZ has a resolution of 14 bits. - How many analog input channels does the AD7856ARZ have?
The AD7856ARZ has 8 analog input channels. - What is the maximum sampling rate of the AD7856ARZ?
The maximum sampling rate is 285 kilosamples per second. - What type of data interface does the AD7856ARZ use?
The AD7856ARZ uses a Serial Peripheral Interface (SPI). - What is the architecture of the AD7856ARZ ADC?
The AD7856ARZ uses a Successive Approximation Register (SAR) architecture. - Can the AD7856ARZ operate with both external and internal references?
Yes, the AD7856ARZ can operate with both external and internal references. - What is the supply voltage for the AD7856ARZ?
The AD7856ARZ operates on a single 5V supply for both analog and digital sections. - What package type is the AD7856ARZ available in?
The AD7856ARZ is available in a 24-SOIC package. - Is the AD7856ARZ RoHS compliant?
Yes, the AD7856ARZ is RoHS compliant. - What are some common applications for the AD7856ARZ?
The AD7856ARZ is commonly used in industrial control systems, medical devices, aerospace and defense systems, automotive systems, and test and measurement instruments.
